1 files changed, 163 insertions, 0 deletions
diff --git a/xfa/fxfa/app/cxfa_fftext.cpp b/xfa/fxfa/app/cxfa_fftext.cpp
new file mode 100644
index 0000000000..b5224eaaed
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_fftext.cpp
@@ -0,0 +1,163 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fxfa/app/cxfa_fftext.h"
+
+#include "xfa/fwl/fwl_widgetdef.h"
+#include "xfa/fwl/fwl_widgethit.h"
+#include "xfa/fxfa/app/cxfa_ffdraw.h"
+#include "xfa/fxfa/app/cxfa_linkuserdata.h"
+#include "xfa/fxfa/app/cxfa_pieceline.h"
+#include "xfa/fxfa/app/cxfa_textlayout.h"
+#include "xfa/fxfa/app/cxfa_textpiece.h"
+#include "xfa/fxfa/cxfa_ffapp.h"
+#include "xfa/fxfa/cxfa_ffdoc.h"
+#include "xfa/fxfa/cxfa_ffpageview.h"
+#include "xfa/fxfa/cxfa_ffwidget.h"
+#include "xfa/fxgraphics/cfx_graphics.h"
+
+CXFA_FFText::CXFA_FFText(CXFA_WidgetAcc* pDataAcc) : CXFA_FFDraw(pDataAcc) {}
+
+CXFA_FFText::~CXFA_FFText() {}
+
+void CXFA_FFText::RenderWidget(CFX_Graphics* pGS,
+                               CFX_Matrix* pMatrix,
+                               uint32_t dwStatus) {
+  if (!IsMatchVisibleStatus(dwStatus))
+    return;
+
+  CFX_Matrix mtRotate = GetRotateMatrix();
+  if (pMatrix)
+    mtRotate.Concat(*pMatrix);
+
+  CXFA_FFWidget::RenderWidget(pGS, &mtRotate, dwStatus);
+
+  CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
+  if (!pTextLayout)
+    return;
+
+  CFX_RenderDevice* pRenderDevice = pGS->GetRenderDevice();
+  CFX_RectF rtText = GetRectWithoutRotate();
+  if (CXFA_Margin mgWidget = m_pDataAcc->GetMargin()) {
+    CXFA_LayoutItem* pItem = this;
+    if (!pItem->GetPrev() && !pItem->GetNext()) {
+      XFA_RectWidthoutMargin(rtText, mgWidget);
+    } else {
+      float fLeftInset;
+      float fRightInset;
+      float fTopInset = 0;
+      float fBottomInset = 0;
+      mgWidget.GetLeftInset(fLeftInset);
+      mgWidget.GetRightInset(fRightInset);
+      if (!pItem->GetPrev())
+        mgWidget.GetTopInset(fTopInset);
+      else if (!pItem->GetNext())
+        mgWidget.GetBottomInset(fBottomInset);
+
+      rtText.Deflate(fLeftInset, fTopInset, fRightInset, fBottomInset);
+    }
+  }
+
+  CFX_Matrix mt(1, 0, 0, 1, rtText.left, rtText.top);
+  CFX_RectF rtClip = rtText;
+  mtRotate.TransformRect(rtClip);
+  mt.Concat(mtRotate);
+  pTextLayout->DrawString(pRenderDevice, mt, rtClip, GetIndex());
+}
+
+bool CXFA_FFText::IsLoaded() {
+  CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
+  return pTextLayout && !pTextLayout->m_bHasBlock;
+}
+
+bool CXFA_FFText::PerformLayout() {
+  CXFA_FFDraw::PerformLayout();
+  CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
+  if (!pTextLayout)
+    return false;
+  if (!pTextLayout->m_bHasBlock)
+    return true;
+
+  pTextLayout->m_Blocks.clear();
+  CXFA_LayoutItem* pItem = this;
+  if (!pItem->GetPrev() && !pItem->GetNext())
+    return true;
+
+  pItem = pItem->GetFirst();
+  while (pItem) {
+    CFX_RectF rtText = pItem->GetRect(false);
+    if (CXFA_Margin mgWidget = m_pDataAcc->GetMargin()) {
+      if (!pItem->GetPrev()) {
+        float fTopInset;
+        mgWidget.GetTopInset(fTopInset);
+        rtText.height -= fTopInset;
+      } else if (!pItem->GetNext()) {
+        float fBottomInset;
+        mgWidget.GetBottomInset(fBottomInset);
+        rtText.height -= fBottomInset;
+      }
+    }
+    pTextLayout->ItemBlocks(rtText, pItem->GetIndex());
+    pItem = pItem->GetNext();
+  }
+  pTextLayout->m_bHasBlock = false;
+  return true;
+}
+
+bool CXFA_FFText::OnLButtonDown(uint32_t dwFlags, const CFX_PointF& point) {
+  if (!GetRectWithoutRotate().Contains(point))
+    return false;
+
+  const wchar_t* wsURLContent = GetLinkURLAtPoint(point);
+  if (!wsURLContent)
+    return false;
+
+  SetButtonDown(true);
+  return true;
+}
+
+bool CXFA_FFText::OnMouseMove(uint32_t dwFlags, const CFX_PointF& point) {
+  return GetRectWithoutRotate().Contains(point) && !!GetLinkURLAtPoint(point);
+}
+
+bool CXFA_FFText::OnLButtonUp(uint32_t dwFlags, const CFX_PointF& point) {
+  if (!IsButtonDown())
+    return false;
+
+  SetButtonDown(false);
+  const wchar_t* wsURLContent = GetLinkURLAtPoint(point);
+  if (!wsURLContent)
+    return false;
+
+  CXFA_FFDoc* pDoc = GetDoc();
+  pDoc->GetDocEnvironment()->GotoURL(pDoc, wsURLContent);
+  return true;
+}
+
+FWL_WidgetHit CXFA_FFText::OnHitTest(const CFX_PointF& point) {
+  if (!GetRectWithoutRotate().Contains(point))
+    return FWL_WidgetHit::Unknown;
+  if (!GetLinkURLAtPoint(point))
+    return FWL_WidgetHit::Unknown;
+  return FWL_WidgetHit::HyperLink;
+}
+
+const wchar_t* CXFA_FFText::GetLinkURLAtPoint(const CFX_PointF& point) {
+  CXFA_TextLayout* pTextLayout = m_pDataAcc->GetTextLayout();
+  if (!pTextLayout)
+    return nullptr;
+
+  CFX_RectF rect = GetRectWithoutRotate();
+  for (const auto& pPieceLine : *pTextLayout->GetPieceLines()) {
+    for (const auto& pPiece : pPieceLine->m_textPieces) {
+      if (pPiece->pLinkData &&
+          pPiece->rtPiece.Contains(point - rect.TopLeft())) {
+        return pPiece->pLinkData->GetLinkURL();
+      }
+    }
+  }
+  return nullptr;
+}